(19)

(11)

EP 4 097 490 A1

(12)

(43) Date of publication: 07.12.2022 Bulletin 2022/49 (21) Application number: 21705837.9 (22) Date of filing: 26.01.2021

(51) International Patent Classification (IPC):  G01R 15/18(2006.01) G01R 22/06(2006.01) G01R 31/12(2020.01) H02H 1/00(2006.01) G01R 19/25(2006.01) G01R 31/08(2020.01) G01R 31/52(2020.01) (52) Cooperative Patent Classification (CPC): G01R 15/183; G01R 19/2513; G01R 22/068; G01R 31/086; G01R 31/1263; G01R 31/52; H02H 1/0015; Y04S 20/30; Y02B 90/20 (86) International application number: PCT/US2021/015092 (87) International publication number: WO 2021/154728 (05.08.2021 Gazette 2021/31)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 30.01.2020 US 202016776833 (71) Applicant: Landis+Gyr Innovations Inc. Alpharetta, Georgia 30022 (US)	(72) Inventors: BUSEKRUS, Doug Lafayette, Indiana 47909 (US) KRAUS, Matthew Jamestown, Indiana 46147 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)